Belting



K. WANDEL.

BELTING.

APPLICATION man ocr. 2, 191s.

: 1 357,9 1 7- Pafnted Nov. 2, 1920.

la 12ML@ wmrww UNITED STATES KURT WANDEL, or NEW YORK, N. Y.

BELTING.

Specification of Letters Patent.

Patented Nov. 2, 1920.

Application filed October 2, 1918. Serial No. 256,539.

To all whom t may concern: n

Be it'known that I, KURT WANDEL, a subject of the King of Vurtemberg, (who have declared my intention of becoming a citizen of the United States), and resident of New York city, county of New York, State of New York, have invented an improvement in Beltings, of which the following description, in connection with the accompanying drawings, is a specification, like characters on the drawings representing like parts in each of the several views.

This invention relates to belting for transmitting power and other uses composed of a plurality of layers of paper superposed on one another to make a belt of the requisite thickness combined with suitable flexible adhesive substance such as rubber cement adapted for ceinenting the layers together to constitute an integral mass and with interposed reinforcing means which includes longitudinal filaments held between the paper layers and embedded in the adhesive substance. My improved belting is preferably built up of a plurality of paper layers by folding the paper over on itself, though separate sheets may be employed. The advantages of the invention will more fully appear from the following detailed description, and the features of novelty will be pointed out in the apprmded claim.

Referring tothe drawings: y

Figure l shows an edge view of a belting constructed in accordance with my invention, runnin on a pulley;

Fig. 2 is an enlarged partial transverse section on line 2-2 of Fig. l;

Fig. 3 is a diagrammatic elevation showing one manner of producing the belt; and

4 is a similar view showing another way of folding the paper to form the belt.

My improved belting is herein illustratively shown as built up of a series of layers 10 of two-ply paper with suitable flexible adhesive 11. such as rubber cement between the layers and uniting them securely together, forming a substantially integral mass throughout the thickness of the belt. The sheets 10a, l()b of which each two-ply layer is composed, as shown, have interposed therein at intervals reinforcing filaments 12 running lengthwise Of the belt, these filaments being held in place by the adhesive which holds the paper sheets together. and serviceable, the relatively large tensile strength of the .paper in the direction of the length of the web being greatly enhanced by the filaments embedded in the adhesive. If desired a canvas strip 13 may be employed as a wearing surface on the side of the belt which engages the pulleys, and the paper may also be treated with suitable toughening chemicals such as formaldehyde to render it more durable and wear resistant. While the reinforcing lilaments are herein shown as embedded between the plies of two-ply paper, it is to be the invention may be embodied in otherk specific forms without departing from the spirit or essential attributes thereof, and I therefore desire the present embodiment to be considered in all respects as illustrative and not restrictive, reference being had to the appended claim rather than to the foregoing description to indicate the scope of the invention.

Having described my invention, what I claim as new and desire to secure by Letters Patent is:

Belting composed 0f a plurality of paper layers secured together by flexible adhesive cement with lengthwise reinforcingr filaments extending at intervals substantially throughout the width and thickness of the belt.

In testimony whereof, I have signed my name to this specification.

KURT VANDEL.

The belt thus produced is strong Y 

